K-type star · orange
HR 7778
HR 7778 is an orange in the constellation Delphinus 555 ly from Earth. Its surface is about 4,928 K, about 0.9 times the Sun's surface temperature, and it shines at 85.74× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 555 years ago.
Also catalogued as HD 193556 · HIP 100274
4,928 K
temperature
6.17
apparent magnitude
85.74× ☉
luminosity vs Sun
G8III
spectral type
Distance & comparison with our Sun
555 years
at light speed from Earth
0.85×
as hot as the Sun
85.74×
the Sun's light output
0.02
absolute magnitude
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Star data from the HYG database v4.2 (Astronexus, CC BY-SA 4.0). Temperature and colour computed by gravityfinder from the B-V colour index; the illustration is generated from that temperature, not a photograph.